package com.cf.apiInstance.config;

import java.sql.SQLException;

import javax.sql.DataSource;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;

import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;

/**
 * 阿里巴巴连接池配置
 * 
 * @author: 
 * @date: 7 Dec 2018 10:03:55 PM
 * @vesion: 1.0
 */
@Configuration
public class DruidConfiguration {
	@Value("${spring.datasource.url}")
	private String dbUrl;
	@Value("${spring.datasource.username}")
	private String username;
	@Value("${spring.datasource.password}")
	private String password;
	@Value("${spring.datasource.driver-class-name}")
	private String driverClassName;
	@Value("${spring.datasource.initialSize}")
	private int initialSize;
	@Value("${spring.datasource.minIdle}")
	private int minIdle;
	@Value("${spring.datasource.maxActive}")
	private int maxActive;
	@Value("${spring.datasource.maxWait}")
	private int maxWait;
	@Value("${spring.datasource.timeBetweenEvictionRunsMillis}")
	private int timeBetweenEvictionRunsMillis;
	@Value("${spring.datasource.minEvictableIdleTimeMillis}")
	private int minEvictableIdleTimeMillis;
	@Value("${spring.datasource.validationQuery}")
	private String validationQuery;
	@Value("${spring.datasource.testWhileIdle}")
	private boolean testWhileIdle;
	@Value("${spring.datasource.testOnBorrow}")
	private boolean testOnBorrow;
	@Value("${spring.datasource.testOnReturn}")
	private boolean testOnReturn;
	@Value("${spring.datasource.poolPreparedStatements}")
	private boolean poolPreparedStatements;
	@Value("${spring.datasource.maxPoolPreparedStatementPerConnectionSize}")
	private int maxPoolPreparedStatementPerConnectionSize;
	@Value("${spring.datasource.filters}")
	private String filters;
	@Value("${spring.datasource.connectionProperties}")
	private String connectionProperties;
	@Value("${spring.datasource.useGlobalDataSourceStat}")
	private boolean useGlobalDataSourceStat;

	@Bean
	@Primary
	public DataSource dataSource() {
		DruidDataSource datasource = new DruidDataSource();
		datasource.setUrl(dbUrl);
		datasource.setUsername(username);
		datasource.setPassword(password);
		datasource.setDriverClassName(driverClassName);
		// configuration
		datasource.setInitialSize(initialSize);
		datasource.setMinIdle(minIdle);
		datasource.setMaxActive(maxActive);
		datasource.setMaxWait(maxWait);
		datasource.setTimeBetweenEvictionRunsMillis(timeBetweenEvictionRunsMillis);
		datasource.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis);
		datasource.setValidationQuery(validationQuery);
		datasource.setTestWhileIdle(testWhileIdle);
		datasource.setTestOnBorrow(testOnBorrow);
		datasource.setTestOnReturn(testOnReturn);
		datasource.setPoolPreparedStatements(poolPreparedStatements);
		datasource.setMaxPoolPreparedStatementPerConnectionSize(maxPoolPreparedStatementPerConnectionSize);
		try {
			datasource.setFilters(filters);
		} catch (SQLException e) {
			System.err.println("druid configuration initialization filter: " + e);
		}
		datasource.setConnectionProperties(connectionProperties);
		datasource.setUseGlobalDataSourceStat(useGlobalDataSourceStat);
		return datasource;
	}

	@Bean
	public ServletRegistrationBean DruidStatViewServle() {
		ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean(new StatViewServlet(), "/druid/*");
		// 白名单：
		/*
		 * servletRegistrationBean.addInitParameter("allow","127.0.0.1");
		 * //IP黑名单 (存在共同时，deny优先于allow) : 如果满足deny的话提示:Sorry, you are not
		 * permitted to view this page.
		 * servletRegistrationBean.addInitParameter("deny","192.168.1.73");
		 * //登录查看信息的账号密码.
		 * servletRegistrationBean.addInitParameter("loginUsername","admin");
		 * servletRegistrationBean.addInitParameter("loginPassword","scty2018");
		 * //是否能够重置数据.
		 * servletRegistrationBean.addInitParameter("resetEnable","false");
		 */
		return servletRegistrationBean;
	}

	@Bean
	public FilterRegistrationBean druidStatFilter() {
		FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean(new WebStatFilter());
		// 所有请求
		filterRegistrationBean.addUrlPatterns("/*");
		// 忽略资源
		filterRegistrationBean.addInitParameter("exclusions", "*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*");
		return filterRegistrationBean;
	}
}
